| http://www.w3.org/ns/prov#value | - (demethylation) have been observed in breast cancer tissues1 and white blood cell (WBC) DNA of cases compared to controls.2 Global DNA methylation in WBC has also been associated with a number of other cancers including head and neck and bladder cancers.3,4 Some epidemiological studies suggest that nutritional, chemical and physical factors might alter methylation levels in WBC DNA.5???9 Greater d
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